@media (max-width: 1100px) {
  .hero-grid,
  .section-grid,
  .authority-grid,
  .contact-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 980px) {
  :root {
    --section-space: 88px;
  }

  .primary-nav {
    position: fixed;
    top: var(--header-height);
    right: 16px;
    left: 16px;
    flex-direction: column;
    align-items: stretch;
    gap: 18px;
    padding: 22px;
    border-radius: 24px;
    background: rgba(247, 251, 251, 0.98);
    border: 1px solid rgba(25, 67, 75, 0.08);
    box-shadow: 0 26px 80px rgba(17, 41, 46, 0.18);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateY(-12px);
    transition: opacity .25s ease, visibility .25s ease, transform .25s ease;
  }

  .primary-nav.is-open {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateY(0);
  }

  .primary-nav ul {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }

  .nav-cta {
    margin-left: 0;
    width: 100%;
  }

  .menu-toggle {
    display: inline-block;
  }

  .cards-grid,
  .testimonials-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .hero {
    padding-top: 56px;
  }
}

@media (max-width: 760px) {
  .container {
    width: min(100% - 28px, 1180px);
  }

  .cards-grid,
  .testimonials-grid,
  .differentials-grid,
  .two-columns {
    grid-template-columns: 1fr;
  }

  .hero-content h1 {
    font-size: clamp(2.2rem, 12vw, 3.5rem);
    max-width: 100%;
  }

  .hero-card,
  .service-card,
  .differential-card,
  .stat-card,
  .info-card,
  .testimonial-card,
  .contact-card,
  .contact-info-card,
  .map-card {
    padding: 24px;
  }

  .hero-actions,
  .hero-actions .btn,
  .form-submit {
    width: 100%;
  }

  .section-heading h2,
  .section-copy h2,
  .cta-copy h2 {
    font-size: clamp(1.85rem, 8vw, 2.5rem);
  }

  .brand-logo {
    height: 46px;
  }

  .footer-logo {
    height: 54px;
  }
}

@media (max-width: 560px) {
  :root {
    --section-space: 72px;
    --section-space-sm: 32px;
  }

  .site-header,
  .header-inner {
    min-height: 78px;
  }

  .floating-whatsapp {
    right: 14px;
    left: 14px;
    bottom: 14px;
    justify-content: center;
  }
}